ISO6741DWR

Overview

The ISO6741DWR is a general-purpose, quad-channel digital isolator from Texas Instruments featuring a 3/1 channel configuration. It utilizes capacitive coupling technology to provide robust signal isolation with a rated insulation voltage of 5000 Vrms. The device supports data rates up to 50 Mb/s and operates within a supply voltage range of 1.71 V to 5.5 V. Key electrical parameters include a typical propagation delay of 11 ns and low power consumption, with quiescent currents of 3.4 mA and 5.1 mA for the respective sides. It is housed in a 16-pin SOIC (DW) package and is designed for operation across an extended temperature range of -40°C to +125°C.

Feature Summary

• Provides reinforced isolation capabilities suitable for demanding industrial environments
• Supports low-voltage logic interfaces down to 1.8V for compatibility with modern microcontrollers
• Offers high electromagnetic interference immunity through capacitive coupling architecture

Applications

• General-purpose isolated communication interfaces
• Industrial automation control systems
• Medical equipment requiring galvanic isolation

Procurement Notes

Verify that the specific order matches the ISO6741DWR suffix to ensure the correct SOIC-16 package and tape-and-reel packaging format. Confirm that the required insulation voltage rating of 5000 Vrms aligns with your system's safety standards. Ensure the operating temperature range of -40°C to +125°C meets your environmental specifications before finalizing procurement.

Selection Notes

Select this component when a quad-channel isolator with a 3/1 split is required for general-purpose applications. It is appropriate for designs needing support for 1.8V logic levels and moderate data rates up to 50 Mbps. Consider this part if the application demands a standard SOIC-16 footprint and reliable performance in industrial or medical settings without the need for higher speed variants.

Part Context

This component belongs to the ISO674x family of general-purpose digital isolators manufactured by Texas Instruments. The family focuses on providing cost-effective, robust isolation solutions for various interface applications. The DWR suffix specifically denotes the SOIC-16 surface-mount package variant optimized for automated assembly processes.

Replacement Considerations

The ISO7741DWR serves as a higher-speed alternative within the same package, offering 100 Mb/s data rates. For single-channel requirements, the ISO6743 series may be considered. Verify pinout compatibility and thermal characteristics when substituting with other members of the ISO67xx or ISO77xx families.